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Startup investors in the SF Bay Area

476 investors based in the SF Bay Area filed a new fund, deal vehicle or board seat with the SEC in the last 12 months, 170 (36%) of them in the last 90 days. The most common sectors are AI & ML (107), B2B Software (53) and Healthcare (45). For the 346 with a stated or estimated check size, the median range is $500K–$1.5M. Counted by the office address on their SEC filings; many invest well beyond the SF Bay Area.

Updated from SEC filings · How we build this list

How many startup investors in the SF Bay Area are investing right now?

476 filed a new fund, deal vehicle or board seat with the SEC in the last 12 months, 170 of them in the last 90 days.

How much do startup investors in the SF Bay Area typically invest?

The median estimated check is $500K–$1.5M, across 346 investors with a plausible estimate. Actual checks vary by round and lead role.

What sectors do startup investors in the SF Bay Area back most?

AI & ML (107), B2B Software (53) and Healthcare (45) lead, by investors with recent activity in each.

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  • Oceanus Growth PartnersVC firm · San Francisco, CA

    Seed to Series B · checks $3M–$9M (est.)

    Sector focus not yet verified

  • Linea VenturesVC firm · Berkeley, CA

    Pre-seed, Seed · checks $200K–$600K (est.)

    Sector focus not yet verified

  • SubstanceVC firm · Berkeley, CA

    Pre-seed, Seed · checks $150K–$450K (est.)

    Sector focus not yet verified

  • WndrCo Holdings ATMVC firm · San Francisco, CA

    Seed, Series A · checks $800K–$2.35M (est.)

    Sector focus not yet verified

  • Ah ADVC firm · Menlo Park, CA

    Seed, Series A

    Sector focus not yet verified

  • Ahoy CapitalVC firm · Palo Alto, CA

    Seed · checks $350K–$1.05M (est.)

    Sector focus not yet verified

  • LS PlatinumVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified

  • RoomVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • AtomusVC firm · Palo Alto, CA

    Seed to Series B · checks $5M–$15M (est.)

    Sector focus not yet verified

  • Script CapitalVC firm · San Francisco, CA

    Pre-seed, Seed · checks $200K–$600K (est.)

    AI & ML

  • DynamiqVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • MFO Fund, L.P., a DelawareVC firm · Menlo Park, CA

    Seed, Series A

    Sector focus not yet verified

  • Xfund OEVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified

  • n2 Venture CapitalVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • 18WVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • Gradient Horizon CapitalSyndicate · San Francisco, CA

    Pre-seed, Seed

    Sector focus not yet verified

  • ACP OmnidianVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • AtoahVC firm · Menlo Park, CA

    Seed, Series A

    Sector focus not yet verified

  • Syntropy VenturesVC firm · San Francisco, CA

    Pre-seed, Seed · checks $75K–$250K (est.)

    Sector focus not yet verified

  • Y CombinatorAccelerator · Mountain View, CA

    Pre-seed to Series B · checks $250K–$500K (est.)

    AI & MLB2B SoftwareDeveloper ToolsHardware & Robotics+1

  • Webb Investment NetworkVC firm · San Francisco, CA

    Pre-seed, Seed · checks $250K–$750K (est.)

    HealthcareCybersecurity

  • Plug & PlayVC firm · Sunnyvale, CA

    Pre-seed, Seed · checks $100K–$300K (est.)

    Climate & Energy

  • Prist CapitalVC firm · Mill Valley, CA

    Seed, Series A

    Sector focus not yet verified

  • Earthshot VenturesVC firm · San Francisco, CA

    Pre-seed to Series B · checks $1.25M–$3.75M (est.)

    AI & MLClimate & Energy

  • True VenturesVC firm · Palo Alto, CA

    Seed · checks $1M–$3M (est.)

    B2B Software

  • KV 2026 CoVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified

  • Hack Opportunities BlockerVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified

  • Operators StudioAccelerator · San Francisco, CA

    Pre-seed, Seed · checks $1.77M–$3.55M (est.)

    Media, Gaming & Creator

  • OpenAI StartupVC firm · San Francisco, CA

    Seed to Series B · checks $4M–$12M (est.)

    AI & ML

  • Amp AcquisitionVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified

  • ContrarySyndicate · San Mateo, CA

    Seed · checks $775K–$2.95M (est.)

    AI & MLCybersecurity

  • AcrewVC firm · San Francisco, CA

    Seed to Growth · checks $150K–$450K (est.)

    Cybersecurity

  • EXOSCALETON VenturesVC firm · San Francisco, CA

    Pre-seed, Seed · checks $150K–$450K (est.)

    Sector focus not yet verified

  • Gratitude in HealthcareVC firm · San Francisco, CA

    Seed, Series A

    Healthcare

  • Iroh CapitalVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • SCP VentureSyndicate · Menlo Park, CA

    Pre-seed, Seed · checks $1M–$2M (est.)

    Sector focus not yet verified

  • GC&H InvestmentsVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • Robbins CapitalVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • DATAHVC firm · Menlo Park, CA

    Seed, Series A

    Sector focus not yet verified

  • LGFVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified